<?php
abstract class AccessImpl implements IAccess {

  /**
  * @var $_value mixed
  */
	protected $_value;
	
	public function getValue() {
		return $this->_value;
	}
	
	public function setValue($v) {
		$this->_value = $v;
	}
	
	/**
	 * <h2>将对象转化为字符串的方法</h2>
	 */
	public function __toString() {
		return strval ( $this->_value );
	}        
}